Mr. All-Goes-Wrong, also known as Mr. Careless, is a Mr. Man that only appears in Little Miss All-Goes-Well.
Mr. All Goes-Wrong looks like his cousin Miss All-Goes-Well, except he has shorter hair.
- Little Miss Calamity (Both are careless.)
- Sixteen (Thomas and Friends, both are careless)
- Sharky (Harpo and his Friends, both are careless)
- Warrior (from TUGS), both are careless)
- Derek the Diesel (Thomas and Friends, both are careless and have problems.)